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Challenges in the water sector
CIWEM, 2013. A BLUEPRINT FOR CARBON EMISSIONS REDUCTION IN THE UK WATER INDUSTRY, CIWEM. Available at: http://www.ciwem.org/media/959404/BLUEPRINT_WEB.pdf
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Climate change mitigation and adaptation actions for the water sector international experience
The document discusses climate change mitigation and adaptation actions for the water sector, highlighting carbon emissions and energy use. It presents case studies and examples from Azerbaijan and other regions, detailing various strategies for carbon reduction and efficient water management. Key mitigation options include rainwater harvesting, energy efficiency programs, and innovative treatment processes within the water sector.
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Climate change mitigation and adaptation actions for the water sector international experience
- 1. Ricardo-AEA © Ricardo-AEA Ltd www.ricardo-aea.com AaronBurton, Principal Consultant - Water ClimaEast Azerbaijan INDC Workshop 18-19 November 2014 Climate change mitigation and adaptation actions for the water sector international experience
- 2. © Ricardo-AEA LtdRicardo-AEAin Confidence2 • Water sector carbon emissions – baselines • Case studies • Water Sensitive Cities • Azerbaijan sector level mitigation options Outline
- 3. © Ricardo-AEA LtdRicardo-AEAin Confidence3 Challenges in the water sector CIWEM, 2013. A BLUEPRINT FOR CARBON EMISSIONS REDUCTION IN THE UK WATER INDUSTRY, CIWEM. Available at: http://www.ciwem.org/media/959404/BLUEPRINT_WEB.pdf [Accessed August 19, 2013].
- 4. © Ricardo-AEA LtdRicardo-AEAin Confidence4 Water sector - energy use and carbon emissions
- 5. © Ricardo-AEA LtdRicardo-AEAin Confidence5
- 6. © Ricardo-AEA LtdRicardo-AEAin Confidence6 Water and carbon connection 5% UK annual carbon Emissions 1% UK annual carbon emissions Environment Agency Wales & Energy Saving Trust, 2012. Guidance on water and associated energy efficiency for the Welsh Housing Quality Standard for retrofit programmes
- 7. © Ricardo-AEA LtdRicardo-AEAin Confidence7 Carbon costs of new supply vs demand management UK 0 1 2 3 4 EmissionskgCO2e/day/house
- 8. © Ricardo-AEA LtdRicardo-AEAin Confidence8 International Examples - Australia 8% of Australia’s GHG emissions 13% of electricity 18% natural gas Kenway, S.J., 2013. The Water-energy Nexus and Urban Metabolism-Connections in Cities,
- 9. © Ricardo-AEA LtdRicardo-AEAin Confidence9 Case Studies
- 10. © Ricardo-AEA LtdRicardo-AEAin Confidence10 Case Study – South East Water, Carbon Reduction Commitment • South East Water (SEW) has a significant energy use - not captured by the EU Emission Trading Scheme (EU ETS) or UK Climate Change Agreement (CCA) • Captured in UK Government Climate Change legislation the Carbon Reduction Commitment (CRC) • AEA review of options – Power consumption and carbon emissions were assessed including pumping and wastewater treatment. – Metrics were identified and emissions compared with other water companies and broader industry sectors in a league table. • 15 key actions that for compliance
- 11. © Ricardo-AEA LtdRicardo-AEAin Confidence11 Relative proportion of emissions Clarke, A., Grant, N. & Thornton, J., 2009. Quantifying the energy and carbon effects of water saving
- 12. © Ricardo-AEA LtdRicardo-AEAin Confidence12 Carbon emission savings (5,500 new homes) Andrew Tucker, “Water & Energy Links” (presented at the Wales Low Zero Carbon Hub: – Integrating water and energy efficiency – building regulations and beyond – Cardiff, Cardiff, 2012), http://www.cewales.org.uk/cew/wp-content/uploads/Presentation-Andrew-Tucker.pdf.
- 13. © Ricardo-AEA LtdRicardo-AEAin Confidence13 Case Study – Greener Grangetown, Cardiff, Wales • Partnership approach enabled £25m investment • Removes surface water currently pumped 10miles away • Benefits to residents through amenity, regeneration • Flood risk reduction, water efficiency in homes
- 14. © Ricardo-AEA LtdRicardo-AEAin Confidence14 Water Sensitive Cities
- 15. © Ricardo-AEA LtdRicardo-AEAin Confidence15 Water sensitive cities
- 16. © Ricardo-AEA LtdRicardo-AEAin Confidence16 Urban water cycle - WSUD
- 17. © Ricardo-AEA LtdRicardo-AEAin Confidence17
- 18. © Ricardo-AEA LtdRicardo-AEAin Confidence18
- 19. © Ricardo-AEA LtdRicardo-AEAin Confidence19
- 20. © Ricardo-AEA LtdRicardo-AEAin Confidence20 Azerbaijan
- 21. © Ricardo-AEA LtdRicardo-AEAin Confidence21 GHG emission trend in Azerbaijan (1990 –2000- 2010)GHG Source and Sink Categories Emission base year – 1990, (Gg CO2 eq.) Emission by 2000 ((Gg CO2 eq.) Emission by 2010 ((Gg CO2 eq.) Change from base to latest reported year Energy 63.928 33.006 36.596 -43% Industry 1.447 554 2.108 +46% Agriculture 6.261 5.368 7.244 +16% Waste 1.694 1.837 2.260 +33% Total Emission 73.331 40.774 48.209 -34% LULUCF -3690 -4.870 -5410 +47% Net emission 69.641 35.904 42.779 -39% 11/20/2014
- 22. © Ricardo-AEA LtdRicardo-AEAin Confidence22 0 2000 4000 6000 8000 10000 12000 14000 Millionm3 Domestic and drinking water Indsustrial water use Irrigation and agriculture Water use Azerbaijan http://www.stat.gov.az/source/environment/indexen.php
- 23. © Ricardo-AEA LtdRicardo-AEAin Confidence23 0 10 20 30 40 50 60 1990 1991 1992 1993 1994 1995 1996 1997 1998 1999 2000 2001 2002 2003 2004 2005 2006 2007 2008 2009 2010 2011 2012 2013 Millionm3 Water recycling http://www.stat.gov.az/source/environment/indexen.php
- 24. © Ricardo-AEA LtdRicardo-AEAin Confidence24 Sub-sector mitigation options
- 25. © Ricardo-AEA LtdRicardo-AEAin Confidence25 Sub-sector Baseline carbon emissions Mitigation options (scoring based on potential?) Actions for road map Water resources – Abstraction – Rainwater harvesting – Demand management – Water and energy efficiency programmes in homes – Metering and smart metering – Irrigation and agricultural water use – Pumping – Efficiency and water loss Water treatment and supply – Balance potable and non-potable systems and decentralised vs centralised – Source control, catchment management – Balancing treatment standards and carbon intensity – Innovative treatment processes – Network optimisation – Managing leakage – Renewable energy Wastewater and sewerage management – Network optimisation and renewal – Heat recovery – Plant tuning and optimisation – Sludge digestion and biogas optimisation – Co-digestion – Hydroelectric power – Source control/ catchment management Integrated approaches – WSUD – Water Sensitive Urban Design – Managing surface water – Green infrastructure approaches to flood defence Cross-sectoral opportunities - Low carbon construction - Renewable heat networks/ combined heat and power Example sub-sectors and mitigation options
- 26. © Ricardo-AEA Ltd www.ricardo-aea.com T: E: W: Ricardo-AEALtd 14th Floor, Marble Arch Tower 55 Bryanston Street London W1H 7AA @AaronBH2O Aaron Burton Principal Consultant - Water +44 (0)1235 753701 aaron.burton@ricardo-aea.com www.ricardo-aea.com Thank you!